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Find the value of a so that the lines with the given equations are perpendicular:

y=2x+13
6y+ax= 6.

1 Answer

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perpendicular slopes are opposite and reciprocals of each other so “a” would equal 3.
6y + 3x=6
6y = -3x + 6
y = -1/2x + 1
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User John Hascall
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